Refrigerator



Much 23 1926'.

'|v|. H. MILLER REFRIGERATOR Filed may 25. 1922' 2 Sheets-Sheet 2 g': um

lwllllng' gna-Janice.

mtlmmf households when the city water may be led fopen at its flat oi' front side.

Pate-aaa Mar. 23, i926.

f UNiT-ED STATES naar:v H. MILLER, or CLAREMQNT, SOUTH DAKOTA.

REERIGERATOR.

Appiicanonniea Mayas, i922. 4serial No. 563,654..

To all whom it may concern.'

Be it known that IMARK H. MILLER, a

citizen ot the United States, residing atj Clareinont, in Ythe county ot Brownand State ot SoutlrDakota, have invented certain new and useful Improvements in Itelfrigerators, ot which the following Vis va specification.

My invention relates to ri'eiij'igerators or coolers for meats and vegetables and has for its object to provide a device o' this character, using flowing water asthe cooling -medium instead ot ice.

The cooler is primarily intended for use a pipe tor leading away the water from the on farms and country lplaces where artesian wells are prevalent and the supply or ice is limited, but it may also be used by town into the Cooler. It will., however, be found to be most economical for vthe tarmers and water.

One advantage of the device is that the cooler forming the subject-matter of this invention will be more roomy than the ordinary refrigerator as the interior thereof will not be encumbered by the housing or' ice.

In the accompanying drawings one emibodiment of the invention is illustrated- Figure 1 shows a top plan view of a cooler;

Figure 2 is a front elevation;

Figure 3 is a horizontal section on'tl'le line 3 3 of Figure 2; l Figure 4 is a vertical section on the line 4-4 of Figure 1; Y

Figure 5 is a horizontal section of a coolei having cylindrical form.

The cooler is constructed in the shape of a cylindrical or semi-cylindrical cabinet It has an in ner wall 10 and a jacket 1l sui-rounding the same and spaced therefrom to provide a water chamber 12. This chamber 12 runs from the top to the bottom of the cabinet which is closed at the upper end by a double walled top 13 composed of a pair of spaced plates between which preferably heat-insulating material 14 is enclosed. In the middle of the top is provided a vent 15 which may be closed by a cover 16. The bottom 17 is constructed in the same manner by two spaced plates with heat-insulating material 18 between them and provided in the middle by a drain opening 19. Instead of filling the 'top and bottom with the heat-insuIat-ing material, the open space may communicate with the chamber 12 so that'the cooled water may circulate not only through the side waits but also through the top and bottom ci the cabinet.

A door 2O also constructed of spaced plates to form a chamber 21 lled with a heatinsulating material. is' adapted tof 'close the front opening of the cabinet, as seen in Figcabinet, and at 27 vis vanother opening connccted by means of a pipevvith acoldfwater supply forthe chamber 12: Iii Figures 2, 3 and 4, these inlet and outlet openings have been shown, respectively, at the bottom and top ot the cabinet which will be used when the wat-er is forced in under great pressure. Should, however, high pressure water not be available, the inlet and outlet openings may be reversed or both placed at the top or both at the bottoni of the cabinet as'most suitable for local conditions.

Referring particularly to Figure 4, shelves 30 are provided within the cabinet. Both of these 'shelves are shown as gratings inv this figure.

' Instead ot' constructing the cabinet, as best seen in Figures 1 and 3, with the semicylindrical back and substantially straight side walls, I may construct the cabinet in substantially cylindrical form, as seen in cov Figure 5, where an opening is provided at y one side of the cabinet much narrower than is the case in the cabinet, shown in Figures 1, 2, 3 and 4, and this opening will then be closed by a fiat or curved door portion f 3l which, inthe latter case, would complete tlie cylinder. This door is constructed of two plates inthe same manner. as the door 2O and filled with heat-insulating material.

The cabinet may 'preferably be raised from the ground andL placed on feet 32.

It will be readily understood that the temperature in the cabinet will be kept very low by the circulation ot the lcold water through it and that the temperature will be more even than what is possible with an ice-cooled refrigerator where a considerable difference of tem erature is experiegiced if the ice chamber is lled or nearly empty.

On the other hand, thel tei'nperatiire of the e water is the saine all the time and the saine quantity filling` the water jacket 12 will make the temperature in my cabinet practically constant and it may, ot course, be moderated by stemming the system of water by means oitl a Coeli or the like in ease the temperature within it is toiind too low.

lin some cases, it may be advisable to Hpartly fill the chamber l2 ot the cooler with such heat-insiilating` material as cork, felt,

asbestos and the like and to permit the wa-.

ter to circulate through the partitioned off spaces. This would be particularly advantageous in case some ot' the contents of the cabinet required less cold temperature than others. Y

In this manner also, a more eirciiitoiis passage for the water may be provided so` that the heat of the cooler may be taken np and carried away bythe water as 'completely as possible.

It will be evident that, instead ot buildin g the cooler in the torina shown on the drawings, that is7 of cylindrical or semi-cylindrical shape, it may be biiilt with a square,

rectangular, hexagonal or any other suitable cross section.

Having thus described the invention, what is claimed as new is:

. A cooler comprising` a cabinet having a food compartment provided with inner and outer walls disposed lin spaced relation to provide a compartment between the walls adapted to receive a cooling medium, a top closing` the upper en d of said food coinpartnient and having a. marginal portion seeiired to the upper ends ot said inner and outer walls and closing the upper end of the space between the inner and outer walls, a bottoni for said toed compartment closingl Vthe lower end thereof and seenred to the and adapted to support the bottom and l inner wall. Y

.ln testimony whereof I aitix iny signature.

Mani; n. MILLER. [e a] 

